@misc{Olszewski_Piotr_Psenulus_2013,
 author={Olszewski, Piotr and Wiśniowski, Bogdan and Kostro-Ambroziak, Agata and Pawlikowski, Tadeusz and Piekarska-Boniecka, Hanna},
 editor={Polska Akademia Nauk. Muzeum i Instytut Zoologii},
 copyright={Creative Commons Attribution BY 3.0 PL license},
 address={Warszawa},
 howpublished={online},
 year={2013},
 language={eng},
 abstract={The paper presents Psenulus meridionalis Beaumont, 1937 – the digger wasp new to Polish fauna. Three specimens were collected in the Podlasie region (Biebrza National Park) and another two in the Wielkopolska-Kujawy Lowland. The newly revealed localities define now the northern limit of the species range in Europe. Currently, sixspecies representing the genus are known from Poland.},
 type={Text},
 title={Psenulus meridionalis Beaumont, 1937, a digger wasp species new to the fauna of Poland (Hymenoptera, Crabronidae)},
 URL={http://rcin.org.pl/miiz/Content/45424/PDF/WA058_59828_P256-T56_Frag-Faun-Nr1.pdf},
 volume={56},
 number={1},
 journal={Fragmenta Faunistica},
 publisher={Museum and Institute of Zoology, PAS},
 keywords={Psenulus meridionalis, Crabronidae, hymenopterans, Hymenoptera, Insecta, insects, new record, Polish fauna, Poland, Europe},
}